diff options
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libcpu/powerpc/new-exceptions/bspsupport/irq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/c/src/lib/libcpu/powerpc/new-exceptions/bspsupport/irq.c b/c/src/lib/libcpu/powerpc/new-exceptions/bspsupport/irq.c index d972ba9b7b..1b9dcafefe 100644 --- a/c/src/lib/libcpu/powerpc/new-exceptions/bspsupport/irq.c +++ b/c/src/lib/libcpu/powerpc/new-exceptions/bspsupport/irq.c @@ -86,16 +86,18 @@ int BSP_install_rtems_shared_irq_handler (const rtems_irq_connect_data* irq) return 0; } + /* pre-allocate memory outside of critical section */ + vchain = (rtems_irq_connect_data*)malloc(sizeof(rtems_irq_connect_data)); + rtems_interrupt_disable(level); if ( (int)rtems_hdl_tbl[irq->name].next_handler == -1 ) { rtems_interrupt_enable(level); printk("IRQ vector %d already connected to an unshared handler\n",irq->name); + free(vchain); return 0; } - vchain = (rtems_irq_connect_data*)malloc(sizeof(rtems_irq_connect_data)); - /* save off topmost handler */ vchain[0]= rtems_hdl_tbl[irq->name]; @@ -267,7 +269,6 @@ int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data* irq) vchain = vchain->next_handler; rtems_hdl_tbl[irq->name]= *vchain; } - free(vchain); } /* Only disable at PIC if we removed the last handler */ @@ -282,6 +283,8 @@ int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data* irq) rtems_interrupt_enable(level); + free(vchain); + return 1; } |